[ Chuckling at the request for details she reminded herself that he didn't share her penchant for improvisation.

Settling onto a sofa with her cup of tea she waited for him to join her while considering. ]

Japan's library is supposed to house the definitive collection of books about Ghouls, they've got a lot of interesting ones over there and Ghoul Studies is quite popular. The library in Germany however, houses a terrific collection of Potions books.